Marble Bar Asset Management LLP

Position in RNA — Atrium Therapeutics, Inc.

CIK 1346570 LONDON, X0

Position in RNA

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,396,769

-$568,621 QoQ

Shares Held

103,849

-29.4% QoQ

Ownership

0.607%

of shares outstanding

% of Portfolio

0.97%

of 13F equity value

Holder Rank

#41

of 154 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Marble Bar Asset Management LLP holds $3,140,384 across 4 Biotechnology names. RNA ranks #1 (44.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RNA	Atrium Therapeutics, Inc. This page	103,849	$1,396,769
2	OCUL	Ocular Therapeutix, Inc	122,518	$1,203,126
3	INBX	Inhibrx Biosciences, Inc.	3,537	$335,130
4	OCS	Oculis Holding AG	14,806	$205,359

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,396,769	103,849	-29.4%	Shares	Sole	2026-08-14
2026-03-31	$1,965,390	147,000	—	Shares	Sole	2026-05-14
No filing history on record for this holder in this stock.